by Greyvenstein, B., Siebert, S.J., Van Den Berg, J.
Published in African entomology (01.03.2020)

by Struwig, M., Siebert, S.J.
Published in South African journal of botany (01.05.2013)

by Struwig, M., Siebert, S.J.
Published in South African journal of botany (01.01.2013)

by Adhikari, S., Siebert, S.J., Jordaan, A.
Published in South African journal of botany (01.12.2021)

by Adhikari, S., Marcelo-Silva, J., Rajakaruna, N., Siebert, S.J.
Published in The Science of the total environment (01.02.2022)

by Siebert, F, Siebert, S J
Published in Koedoe (2005)

by Jabar, L., Siebert, S.J., Pfab, M.F., Cilliers, D.P.
Published in South African journal of botany (01.07.2024)

by Cilliers, S.S., Siebert, S.J., Du Toit, M.J., Barthel, S., Mishra, S., Cornelius, S.F., Davoren, E.
Published in Landscape and urban planning (01.12.2018)

by Muller, M., Siebert, S.J., Ntloko, B.R., Siebert, F.
Published in Bothalia (24.02.2021)

by Siebert, S.J., van Wyk, A.E., Bredenkamp, G.J.
Published in South African journal of botany (01.07.2002)

by Siebert, F., van Staden, N., Komape, D.M., Swemmer, A.M., Siebert, S.J.
Published in Bothalia (01.01.2021)

by Siebert, S.J. (National Botanical Inst., Pretoria (South Africa)), Van Wyk, A.E, Bredenkamp, G.J
Published in South African journal of science (01.11.2001)

by Van der Linden, JP, Siebert, S J, Siebert, F, Ferreira, D P, Bredenkamp, G J
Published in Koedoe (2005)

by Siebert, F., Van Staden, N., Komape, D.M., Swemmer, A.M., Siebert, S.J.
Published in Bothalia (24.02.2021)

by Siebert, S.J., van Wyk, A.E., Bredenkamp, G.J.
Published in South African journal of botany (01.12.2002)

by Siebert, S.J, Matthee, M, Van Wyk, A.E. (Pretoria Univ. (South Africa). Botany Dept.)
Published in Koedoe (2003)

by Khanyi, H., Barnard, S., Siebert, S.J., Snyman, S.J., Komape, D.M.
Published in South African journal of botany (01.03.2017)

by Ntloko, B. R., Mokotjomela, T. M., Mphafi, S. P., Siebert, S. J.
Published in Ecology and evolution (01.03.2024)

by Siebert, S.J., van Wyk, A.E., Bredenkamp, G.J.
Published in South African journal of botany (01.12.2002)

by Frisby, A.W., Siebert, S.J., Struwig, M., Cilliers, D.P.
Published in South African journal of botany (01.08.2019)